PDF Digital Signature
Add legally binding digital signatures to your PDF documents
PDF Digital Signature
Add legally binding digital signatures to your PDF documents with certificate management and validation. Create tamper-evident documents with timestamp authority integration. All processing happens locally in your browser for complete privacy and security.
Upload PDF Document
Select a PDF document to add digital signature
Drag & drop or click to select a PDF file (Max 50MB)
APPLICATION/PDF • Max 50MB per file
Digital Signature Features
Security Features
- • PKI-based digital certificates
- • Document integrity protection
- • Non-repudiation assurance
- • Timestamp authority support
Legal Compliance
- • eIDAS regulation compliant
- • ESIGN Act compatible
- • Adobe Approved Trust List
- • Long-term validation (LTV)
How to Use
1
Upload your PDF document that you want to digitally sign.
2
Configure your digital certificate information including name, email, organization, and country.
3
Set the signature position and appearance on the document, including custom signature text if desired.
4
Add the digital signature to create a legally binding, tamper-evident document and download the signed PDF.
Frequently Asked Questions
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